Login to Moodle and access the course page through your dashboard. Click on Course assessment.
Then, click on the assignment you wish to submit.
Scroll down to the very end of the assignment instructions until you find the Submission Status area Click on the blue button ‘Add submission’
Scroll down to find the file submission box. Drag and drop files from your computer to the submission box OR Click on the Upload file icon.
On the file picker pop-up window, select the option Upload a file, and then Choose file from your computer. Finally, click on the blue button ‘Upload this file’.
Make sure you add all files to the file submission box, then click on the blue button ‘Save Changes’